The driver exploits the fact that, at resonance, current and voltage is in phase for a piezoelectric transducer. By locking the driving signal to the current feedback signal, i.e. adjust the driving ...

This project measures the distance of an object using an HC-SR04 Ultrasonic Sensor and displays the result on a 16x2 I2C LCD. 📷 Demo (What It Does) Sends ultrasonic pulses from the sensor. Calculates ...

Serial Kickstarter entrepreneur Patrick Thomas Mitchell has once again taken to Kickstarter to raise funds to take his new programmable Arduino ultrasonic experiment kit into manufacture. Once ...